Several commands help manage processes:
# View processes
ps aux # All processes with details
ps -ef # Full format listing
ps -u username # Processes for specific user
pstree # Process tree view
# Real-time process monitoring
top # Interactive process viewer
htop # Enhanced version of top
atop # Advanced system monitor
# Process information
jobs # Current shell jobs
pgrep process_name # Find process IDs by name
pidof process_name # Get PID of running process
Process states:
- R: Running
- S: Sleeping (waiting)
- D: Uninterruptible sleep
- Z: Zombie
- T: Stopped
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